sustainabilityknowledge.com - robtex.com
sustainabilityknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774770612 | ||||||
Subdomains
mail.sustainabilityknowledge.com |
Same first word
sustainabilityknowledge.com |
DNS History
11 records (4 active, 7 former)
○NSns.heartinternet.co.uk2015-06-20 → 2017-03-23 · 4 obs
● 2017-03-23 00:01:20
○ 2020-03-10 21:24:54
○ 2026-03-29 08:04:14
●NSns1.afternic.com2026-03-05 → 2026-03-29 · 3 obs
● 2026-03-05 06:08:40
● 2026-03-29 08:04:14
○NSns17.domaincontrol.com2020-03-10 → 2020-03-10 · 4 obs
● 2020-03-10 21:24:54
○ 2026-03-05 06:08:40
○ 2026-03-29 08:04:14
○NSns18.domaincontrol.com2020-03-10 → 2020-03-10 · 4 obs
● 2020-03-10 21:24:54
○ 2026-03-05 06:08:40
○ 2026-03-29 08:04:14
●NSns2.afternic.com2026-03-05 → 2026-03-29 · 3 obs
● 2026-03-05 06:08:40
● 2026-03-29 08:04:14
○NSns2.heartinternet.co.uk2015-06-20 → 2017-03-23 · 4 obs
● 2017-03-23 00:01:20
○ 2020-03-10 21:24:54
○ 2026-03-29 08:04:14
○MXmail.sustainabilityknowledge.com2015-06-20 → 2017-03-23 · 4 obs
● 2017-03-23 00:01:20
○ 2020-03-10 21:24:54
○ 2026-03-29 08:04:14
●A13.248.169.482026-03-05 → 2026-03-29 · 3 obs
● 2026-03-05 06:08:40
● 2026-03-29 08:04:14
○A184.168.131.2412020-03-10 → 2020-03-10 · 4 obs
● 2020-03-10 21:24:54
○ 2026-03-05 06:08:40
○ 2026-03-29 08:04:14
●A76.223.54.1462026-03-05 → 2026-03-29 · 3 obs
● 2026-03-05 06:08:40
● 2026-03-29 08:04:14
○A79.170.40.42015-06-20 → 2017-03-23 · 4 obs
● 2017-03-23 00:01:20
○ 2020-03-10 21:24:54
○ 2026-03-29 08:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| sustainabilityknowledge.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sustainabilityknowledge.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
Hierarchy
The parent of mail.sustainabilityknowledge.com is sustainabilityknowledge.com.
IP Addresses
sustainabilityknowledge.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance lspeak.com, wearfunny.com, atlas.cooperscountry.com, onlinemarketingconsultants.com and otp.co share IP numbers with sustainabilityknowledge.com.
Name Servers
sustainabilityknowledge.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
sustainabilityknowledge.com uses the same name server setup as other domains, for instance mail.compositesolutions.net, towncar.us, crevit.com, hostd145.chubbinstitute.com and mx.sispek.com.
sustainabilityknowledge.com shares name servers with other domains at least partially, for instance euroblog.com, earlylime.com, qsl.info, exchangemadeeasy.com and kynk.co.uk.
these name servers are often used with verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn, verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
Host names with two IP numbers:
The host ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.
The host ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.